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What are the purpose for having variable length records? What kinds of separator characters are required for each? Variable-Length Records - Variable-length records are thos
a set of possible data value of an attribute is called??
There are three main sources of utilities and applications for a DBMS: a. Vendor applications and utilities are given for working with or maintaining the database, and generally
(A) For the relation; CarSales (RegNo, BuyerName, Address, SalesPerson, Make, Model, Commission) The following functional dependences hold, RegNo _ID à Make, Model Reg
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
What is meant by functional dependencies? Consider a relation schema R and α C R and β C R. The functional dependency α ->β holds on relational schema R if in any legal relati
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
#question.explain diversity and magnitude of organic compounds and general properties?
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